This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
disco' to 'verification-done-disco'. If the problem still exists, change
the tag 'verification-needed-disco' to 'verification-failed-disco'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-disco

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem in Ubuntu.
https://bugs.launchpad.net/bugs/1846470

Title:
  xHCI on AMD Stoney Ridge cannot detect USB 2.0 or 1.1 devices.

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Fix Released
Status in linux-oem package in Ubuntu:
  New
Status in linux source package in Bionic:
  Fix Committed
Status in linux-oem source package in Bionic:
  Fix Released
Status in linux source package in Disco:
  Fix Committed
Status in linux-oem source package in Disco:
  Fix Released
Status in linux source package in Eoan:
  Fix Released
Status in linux-oem source package in Eoan:
  Won't Fix

Bug description:
  [Impact]
  xHCI on AMD Stoney Ridge cannot detect USB 2.0 or 1.1 devices. 

  [Fix]
  The xHCI in question doesn't have proper support for D0 PME, so strip it from 
PM capability.

  [Test]
  The xHCI can detect USB 2.0 and USB 1.1 device with the fix.

  [Regression Potential]
  Low. Has limited scope and doesn't touch any driver code.

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